S
M
T
W
T
F
S
26
51°
40°
27
58°
41°
28
53°
41°
29
53°
44°
30
53°
46°
1
57°
44°
2
53°
41°
3
54°
43°
4
57°
45°
5
59°
49°
6
60°
52°
7
57°
48°
8
58°
44°
9
58°
47°
10
59°
50°
11
56°
45°
12
57°
43°
13
59°
48°
14
59°
51°
15
59°
46°
16
59°
46°
17
72°
55°
18
67°
52°
19
63°
56°
20
69°
57°
21
66°
50°
22
60°
45°
23
61°
44°
24
55°
49°
25
60°
54°
26
68°
58°
27
67°
57°
28
66°
50°
29
63°
53°
30
58°
50°
31
57°
49°
1
62°
51°
2
61°
52°
3
64°
54°
4
65°
54°
5
69°
56°
6
69°
57°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Squam
Squam's May 2026 forecast shows daily high temperatures ranging from 57° to 69°, with overnight lows between 49° and 58°. The average high for May is 64° with an average low of 53°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how May weather will actually feel in Squam. See also: June | July | August.
